Impaired peripheral airway function in adults following repair of esophageal atresia |
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Authors: | Vladimir Gatzinsky,Gö ran Wennergren,Linus Jö nsson,Linda Ekerljung,Birgitta Houltz,Staffan Redfors,Ulla Sillé n,Per Gustafsson |
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Affiliation: | 1. Department of Pediatric Surgery, University of Gothenburg, Queen Silvia Children''s Hospital, Gothenburg, Sweden;2. Department of Pediatrics, University of Gothenburg, Queen Silvia Children''s Hospital, Gothenburg, Sweden;3. Krefting Research Centre, University of Gothenburg, Gothenburg, Sweden;4. Department of Clinical Physiology, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden;5. Department of Pediatric Clinical Physiology, University of Gothenburg, Queen Silvia Children''s Hospital, Gothenburg, Sweden;6. Department of Pediatrics, Central Hospital, Skövde, Sweden |
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Abstract: | BackgroundEsophageal atresia (EA) often leads to persistent symptoms and impaired respiratory function in adulthood. The role of peripheral airways in this impairment has not been previously investigated. Furthermore, asthma-like symptoms are common in these patients.PurposeThe purpose of this study was to investigate pulmonary outcome, including possible peripheral airway dysfunction, perhaps missed by conventional pulmonary function tests and to see if the diagnosis asthma was accurate.MethodsTwenty eight patients operated for EA in Gothenburg 1968–1983 answered a questionnaire regarding respiratory symptoms and underwent pulmonary function tests. Peripheral airway function was measured by multiple breath washout.Results22/28 (79%) patients had a history of respiratory symptoms. Abnormal peripheral airway function was found in 17 (61%) patients, while only 6 (21%) patients displayed values indicating central obstruction. Nine patients had restrictive disease. Airway hyperresponsiveness was frequent and associated with atopy and airway inflammation. However, respiratory symptoms or doctor-diagnosed asthma did not correlate with any specific lung function test abnormality.ConclusionDifferent lung function abnormalities are present in EA survivors, and peripheral airway disease is common. Classical asthma seems to be difficult to diagnose in this patient group. Given the high prevalence of respiratory morbidity, long-term follow-up of pulmonary function, including peripheral airway function, is warranted. |
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Keywords: | Multiple breath washout Lung clearance index Long-term outcome Pulmonary function Asthma |
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